<template>
    <div class="icons">
        <swiper :options="swiperOption">
            <swiper-slide v-for="(page,index) of pages" :key="index">
                <div class="icon" v-for="item of page" :key="item.id">
                    <div class="icon-img">
                        <img class="icon-img-content" :src="item.imgUrl" alt="">
                    </div>
                    <p class="icon-desc">{{item.desc}}</p>
                </div>
            </swiper-slide>
        </swiper>
    </div>
</template>

<script>
    export default {
        name: "HomeIcons",
        props: {
            iconList: Array,
        },
        data(){
            return{
                swiperOption:{
                    autoplay:false
                }
            }
        },
        computed: {
            pages () {
                const pages = [];
                this.iconList.forEach((item,index) => {
                    const page = Math.floor(index/8);
                    if( !pages[page] ){
                        pages[page] = [];
                    }
                    pages[page].push(item);
                });
                return pages;
            }
        }
    }
</script>

<style lang="stylus" scoped>
    @import "~@/assets/vavibles.styl"
    .icons >>> .swiper-container
        height 0
        padding-bottom 50%
    .icons
        margin-top .2rem
        .icon
            position relative
            overflow hidden
            float left
            width 25%
            height 0
            padding-bottom 25%
            .icon-img
                position absolute
                top 0
                left 0
                right 0
                bottom .44rem
                box-sizing border-box
                padding .1rem
                .icon-img-content
                    display block
                    margin 0 auto
                    height 100%
            .icon-desc
                position absolute
                left 0
                right 0
                bottom 0
                height .44rem
                line-height .44rem
                text-align center
                ellipsis()
                color $darkTextColor
</style>
